STC15F104W-35I-SOP8

{
  "schema_version": 1,
  "type": "component",
  "slug": "stc15f104w-35i-sop8",
  "title": "STC15F104W-35I-SOP8",
  "brief": "STC Micro STC15F104W 35I SOP Microcontrollers (MCU/MPU/SOC), SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "stc15f104w-35i-sop8"
  ],
  "component": {
    "mpn": "STC15F104W-35I-SOP8",
    "manufacturer": "STC Micro STC15F104W 35I SOP",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bb5a56860aed633c36087b2991865afe.pdf",
    "parts": {
      "symbol": "stc15f104w-35i-sop8.kicad_sym",
      "footprint": "stc15f104w-35i-sop8.kicad_mod",
      "model_3d": "stc15f104w-35i-sop8-etched.glb",
      "model_3d_plain": "stc15f104w-35i-sop8.glb",
      "model_3d_step": "stc15f104w-35i-sop8-etched.step",
      "model_3d_step_plain": "stc15f104w-35i-sop8.step",
      "lbr": "stc15f104w-35i-sop8.lbr"
    },
    "distributor_links": {
      "lcsc": "C26928"
    },
    "pins": [
      {
        "number": "1",
        "name": "P3.4/RST/T0/INT2/MCLKO",
        "type": "bidirectional",
        "description": "Port 3 bit 4. Multi-function: standard I/O (PORT3[4]), active-high external RESET input (when configured via STC-ISP), Timer 0 external clock input (T0), external interrupt 2 (INT2, falling-edge only, supports power-down wakeup), or master clock output (MCLKO) at MCLK/1, MCLK/2, or MCLK/4. Factory default is I/O."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 2.5V to 5.5V (wide-voltage family). Recommend a 47µF bulk plus 0.01µF (or 0.1µF for low-frequency operation) decoupling capacitor between VCC and GND."
      },
      {
        "number": "3",
        "name": "P3.5/T0CLKO/INT3",
        "type": "bidirectional",
        "description": "Port 3 bit 5. Multi-function: standard I/O (PORT3[5]), Timer 0 programmable clock output T0CLKO (divides internal system clock or external T0/P3.4 input, configurable via INT_CLKO[0]), or external interrupt 3 (INT3, falling-edge only, supports power-down wakeup)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply negative / ground reference (0V)."
      },
      {
        "number": "5",
        "name": "P3.0/INT4/T2CLKO",
        "type": "bidirectional",
        "description": "Port 3 bit 0. Multi-function: standard I/O (PORT3[0]), external interrupt 4 (INT4, falling-edge only, supports power-down wakeup), or Timer 2 programmable clock output T2CLKO (configurable via INT_CLKO[2])."
      },
      {
        "number": "6",
        "name": "P3.1/T2",
        "type": "bidirectional",
        "description": "Port 3 bit 1. Multi-function: standard I/O (PORT3[1]) or Timer 2 external clock input (T2)."
      },
      {
        "number": "7",
        "name": "P3.2/INT0",
        "type": "bidirectional",
        "description": "Port 3 bit 2. Multi-function: standard I/O (PORT3[2]) or external interrupt 0 (INT0). If IT0(TCON.0)=1, INT0 responds only to falling edges; if IT0=0, INT0 responds to both rising and falling edges. Supports power-down wakeup."
      },
      {
        "number": "8",
        "name": "P3.3/INT1/RSTOUT_LOW",
        "type": "bidirectional",
        "description": "Port 3 bit 3. Multi-function: standard I/O (PORT3[3]), external interrupt 1 (INT1; IT1(TCON.2)=1 for falling-edge-only, IT1=0 for both edges; supports power-down wakeup), or RSTOUT_LOW output (drives low on power-up and during reset; user-selectable high/low level after reset via software)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bb5a56860aed633c36087b2991865afe.pdf",
        "pages": 1473,
        "sha256": "c1fab41b0006cc18",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "stc15f104w-35i-sop8.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stc15f104w-35i-sop8-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "139f180d868344ae61590f1a716049e9b104abacb4bbd79666b77b44cc705f09",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STC Micro STC15F104W 35I SOP",
      "Package": "SOIC-8",
      "Category": "MCU",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stc15f104w-35i-sop8"
  ],
  "discovery_pitch": "STC15F104W-35I-SOP8 (STC Micro STC15F104W 35I SOP) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stc15f104w-35i-sop8.kicad_sym",
    "stc15f104w-35i-sop8.kicad_mod",
    "stc15f104w-35i-sop8.glb",
    "stc15f104w-35i-sop8.step",
    "stc15f104w-35i-sop8-etched.step",
    "stc15f104w-35i-sop8.lbr",
    "docs/hero.png",
    "docs/stc15f104w-35i-sop8-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "STC15F104W-35I-SOP8",
      "kind": "packaging"
    },
    {
      "mpn": "STC15F104W-35I-DIP8",
      "kind": "unknown"
    },
    {
      "mpn": "STC15F104W-35I-DFN8",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T08:27:53.915Z"
}